Porcelain vs granite benchtops: which costs more installed?
Porcelain slab benchtops typically cost more installed than granite in Australia — here's the price gap, what drives it, and which suits your kitchen.
The short answer
For a typical Australian kitchen, a porcelain benchtop costs $21,400 installed, against $22,700 for granite. Porcelain usually comes out more expensive once it's fitted, mainly because of how it's cut and handled, not because the raw slab costs more than granite.
That gap isn't fixed, though. Granite prices swing a lot depending on the slab you pick, and a premium granite can easily cost more than an entry-level porcelain. The fair comparison is "mid-range porcelain vs mid-range granite", and on that basis porcelain tends to sit above granite for most kitchens we price.
Why porcelain costs more to install
Granite is a natural stone that's been cut and polished by trades for decades — most stonemasons have the tooling and experience to template, cut and install it efficiently. Porcelain slabs are thinner, harder and more brittle during fabrication. Cutting sinks, hobs and mitred edges into porcelain needs specialist diamond tooling and more careful handling, and a cracked slab mid-fabrication is a write-off. That extra skill and risk shows up in the installed price, even though the porcelain slab itself isn't always pricier than granite per square metre.
Porcelain is also usually fabricated in fewer, larger sheets, which can mean less waste on a straightforward rectangular benchtop — but more waste (and more cost) on an island with cut-outs, curves or a waterfall edge, because offcuts can't be reused on later jobs the way stone can.
What actually moves the price within each material
A few things matter more than the headline material choice:
- Edge profile. A simple pencil edge is included in most quotes; mitred "waterfall" edges that wrap down the sides of an island add significant labour in either material, but more so in porcelain.
- Slab grade. Granite ranges from common commercial-grade stone to rare imported slabs; porcelain ranges from standard patterns to large-format, high-definition designs. Grade moves the price more than the material family does.
- Cut-outs. Every sink, cooktop, tap hole and power point cut-out adds fabrication time. Porcelain's brittleness makes these cuts slower and riskier, which is where a lot of the price gap comes from on a busy benchtop layout.
- Joins. A benchtop that needs a join (most runs over about 3 m) costs more to fabricate and fit neatly, and porcelain joins are harder to make invisible than granite's.
For the full spread across every benchtop option we price — including solid surface, low-silica engineered stone and laminate — see the materials table below.
| Material | Typical | Usual range | Lifespan |
|---|---|---|---|
| Laminate worktop | $18,000 | $14,000 – $23,400 | – |
| Solid surface (acrylic) | $19,200 | $15,000 – $25,000 | – |
| Solid wood / butcher block | $20,000 | $15,600 – $26,000 | – |
| Low-silica engineered surface | $20,000 | $15,600 – $26,000 | – |
| Sintered stone / porcelain slab | $21,400 | $16,700 – $27,800 | – |
| Granite | $22,700 | $17,700 – $29,500 | – |
Hidden costs people forget to budget
- Underlayment or support. Thin porcelain slabs sometimes need a plywood backing for cantilevered sections (like a breakfast bar), which granite rarely needs at standard thickness.
- Template and second visit. Both materials are templated on-site after cabinets go in, then cut off-site and installed later — budget for that lead time in your renovation schedule, not just the dollar figure.
- Old benchtop removal. If you're replacing an existing stone benchtop, factor in removal and disposal; it's heavy and often charged separately from the new install.
- Cabinet strengthening. Granite is heavier per square metre than porcelain, so very long or overhanging granite runs can need extra cabinet bracing — a small cost that's easy to miss in an early quote.
These line items explain a lot of the difference between a benchtop-only quote and what a full Kitchen renovation actually costs once cabinetry, splashback and installation are all included.
Which should you choose
Granite suits a kitchen where you want a natural stone look, don't mind some colour and pattern variation between slabs, and want the lower end of the price range. Porcelain suits a kitchen where you want a very consistent, large-format look (including convincing marble-look patterns), better resistance to scratching and staining, and you're willing to pay a premium for a fabricator who's done it before.
If silica content is a concern for you, ask your fabricator what the slab is made from — porcelain and the newer low-silica engineered surfaces are usually the lower-silica options compared with traditional engineered stone, but confirm the specification with your supplier rather than assuming from the material name alone.
Either way, get at least two itemised quotes that separate the slab, fabrication, cut-outs and installation, so you're comparing like for like rather than just a bottom-line number. If a quote lands and you're not sure it stacks up, run it through our "is my quote fair" tool before you sign anything.
Benchtop choice also affects other wet areas in the house — if you're pricing stone or porcelain for a vanity top too, our Bathroom renovation guide breaks down the same trade-offs for a smaller space.